Based on Finance Act 2025 slabs for FY 2025-26 / AY 2026-27, unchanged for FY 2026-27 per Budget 2026. New regime: nil up to ₹4L, then 5% to 30% in ₹4L bands, ₹75,000 standard deduction, and full rebate (tax-free) up to ₹12L taxable income. Old regime: nil up to ₹2.5L, 5%/20%/30% slabs, ₹50,000 standard deduction, rebate up to ₹5L taxable income. A 4% health and education cess applies on tax in both regimes. This is an estimate for salaried individuals below 60; it excludes surcharge, HRA exemption specifics, and other special-rate incomes. Consult a tax professional for your actual filing.